Product Overview

This premium QSF2.8 Valve Seat is engineered for durability and precise fitment in Cummins diesel engines. As a leading global supplier of heavy-duty engine components, we provide reliable parts for workshops, fleet operators, and distributors worldwide, with major markets including North America, Europe, Asia-Pacific, and the Middle East.

Key Features & Benefits

• Precision Engineered: Manufactured to exact OEM specifications for a perfect fit and optimal valve sealing.
• High-Temperature Resistance: Made from specialized alloys to withstand extreme combustion chamber temperatures and prevent warping.
• Enhanced Durability: Designed for extended service life, reducing downtime and maintenance frequency for critical engine applications.
• Optimal Heat Transfer: Promotes efficient heat dissipation from the valve to the cylinder head, protecting valve integrity.
• Global Stock Availability: Supported by our international supply chain for fast delivery to major industrial hubs and ports.

Technical Specifications

OEM Cross-Reference

This valve seat directly replaces the following OEM part numbers:

• Cummins: 5262813
• Cummins: 5262173

Always verify the part number from your original component or engine service manual before ordering.

Compatibility

This part is specifically designed for use in:

• Engine Family: Cummins QSF2.8 diesel engines.
• Common Applications: Found in a range of industrial and mobile equipment utilizing this engine platform, including but not limited to compact excavators, small loaders, and generator sets.

Global Supply & Distribution

We specialize in the international export of heavy-duty engine components. Our logistics network ensures efficient shipping to key markets:

• Worldwide Shipping: Reliable air and sea freight to all major continents.
• Major Markets Served: North America (USA, Canada, Mexico), European Union, United Kingdom, Australia, Southeast Asia, and the Middle East.
• Fast Delivery: Consolidated shipments to major ports like Los Angeles, Rotterdam, Singapore, and Jebel Ali for streamlined regional distribution.
• Export Compliance: All shipments are prepared with complete commercial invoices, packing lists, and comply with international trade regulations for a smooth customs clearance process.

Quality Assurance

• Manufacturing Standard: Produced in ISO-certified facilities using precision machining and quality-controlled materials.
• Rigorous Testing: Components undergo dimensional checks and material analysis to ensure conformity with original design parameters.
• Warranty: Backed by a standard warranty against manufacturing defects. Contact our sales team for specific warranty terms applicable to your region.

FAQ

Q1: How do I confirm this valve seat is the correct part for my Cummins QSF2.8 engine?
A1: The most reliable method is to cross-reference the part number stamped on your original valve seat or listed in your engine’s official service manual with our listed part numbers (5262813, 5262173). You can also provide your engine’s full model and serial number to our technical support for verification.

Q2: What is critical during the installation of this valve seat?
A2> Professional installation is crucial. It typically involves machining the cylinder head seat pocket to precise dimensions and using proper tooling for press-fitting (interference fit). Correct installation depth and concentricity are essential for proper valve sealing and heat transfer. We recommend installation by a qualified technician.

Q3: Do you offer technical support for international B2B clients?
A3: Yes. Our technical sales team is experienced in supporting global distributors and large workshops. We can assist with part identification, bulk order specifications, and provide documentation to support your operations in your local market.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .